Finding the Fourth Proportional to 45,719.34, 62,952.50 and 40,022.21

Step by Step Solution

1. Step 1: Write the proportion equation
   45,719.34 : 62,952.50 = 40,022.21 : x
2. Step 2: Convert to fraction form
   45,719.34/62,952.50 = 40,022.21/x
3. Step 3: Cross multiply
   45,719.34x = 62,952.50 × 40,022.21
4. Step 4: Simplify right side
   45,719.34x = 2,519,497,660.15
5. Step 5: Solve for x
   x = 2,519,497,660.15/45,719.34
6. Step 6: Final answer
   x = 55,107.92